<template>
  <div class="login-box">
    <h2>登 录 平 台</h2>
    <el-form ref="formRef" :model="form" :rules="rules">
      <div class="user-box">
        <input type="text" v-model="form.account" name="" required="">
        <label>用户名</label>
      </div>
      <div class="user-box">
        <input type="password" v-model="form.password" name="" required="">
        <label>密码</label>
      </div>
      <a @click="handleLogin">
        <span></span>
        <span></span>
        <span></span>
        <span></span>
        Submit
      </a>
    </el-form>
  </div>
  <login_background />
</template>

<script setup>
import login_background from '@/components/login_background'
import { ref } from 'vue'
import api from '@/api/index'
import {ElMessage} from "element-plus";
import router from "@/router";


const form = ref({
  account: "",
  password: ""
})

const rules = ref({
  account: [
    { required: true, message: "请输入用户名", trigger: "blur" }
  ],
  password: [
    { required: true, message: "请输入用户名", trigger: "blur" }
  ],
})

const formRef = ref(null)
const handleLogin = () => {
  formRef.value.validate(async (valid) => {
    if (valid) {
      const result =  await api.login(form.value)
      if (result.success) {
        ElMessage.success("登录成功 ...")
        localStorage.setItem(process.env.VUE_APP_BASE_TOKEN, result.data);
        await router.push({path: '/home'})
      } else {
        ElMessage.error(result.message)
      }

      console.log(form.value)
    } else {
      console.log("验证失败")
    }
  })
}

function isEmpty(s) {
  return s == null || s === '';
}


</script>

<style scoped>
.login-box {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  padding: 40px;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, .5);
  box-sizing: border-box;
  box-shadow: 0 15px 25px rgba(0, 0, 0, .6);
  border-radius: 10px;
  z-index: 999;
}

.login-box h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.login-box .user-box {
  position: relative;
}

.login-box .user-box input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}

.login-box .user-box label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: .5s;
}

.login-box .user-box input:focus~label,
.login-box .user-box input:valid~label {
  top: -20px;
  left: 0;
  color: #03e9f4;
  font-size: 12px;
}

.login-box form a {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  color: #03e9f4;
  font-size: 16px;
  text-decoration: none;
  text-transform: uppercase;
  overflow: hidden;
  transition: .5s;
  margin-top: 40px;
  letter-spacing: 4px
}

.login-box a:hover {
  background: #03e9f4;
  color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 5px #03e9f4,
    0 0 25px #03e9f4,
    0 0 50px #03e9f4,
    0 0 100px #03e9f4;
  cursor: pointer;
}

.login-box a span {
  position: absolute;
  display: block;
}

.login-box a span:nth-child(1) {
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, #03e9f4);
  animation: btn-anim1 1s linear infinite;
}

@keyframes btn-anim1 {
  0% {
    left: -100%;
  }

  50%,
  100% {
    left: 100%;
  }
}

.login-box a span:nth-child(2) {
  top: -100%;
  right: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(180deg, transparent, #03e9f4);
  animation: btn-anim2 1s linear infinite;
  animation-delay: .25s
}

@keyframes btn-anim2 {
  0% {
    top: -100%;
  }

  50%,
  100% {
    top: 100%;
  }
}

.login-box a span:nth-child(3) {
  bottom: 0;
  right: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent, #03e9f4);
  animation: btn-anim3 1s linear infinite;
  animation-delay: .5s
}

@keyframes btn-anim3 {
  0% {
    right: -100%;
  }

  50%,
  100% {
    right: 100%;
  }
}

.login-box a span:nth-child(4) {
  bottom: -100%;
  left: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(360deg, transparent, #03e9f4);
  animation: btn-anim4 1s linear infinite;
  animation-delay: .75s
}

@keyframes btn-anim4 {
  0% {
    bottom: -100%;
  }

  50%,
  100% {
    bottom: 100%;
  }
}

login_background {
  z-index: -9999;
}
</style>